interpretation of standard deviation

7:55

4:07

6:40

8:41

8:21

12:32

کوتاه

7:25

4:43

12:33

31:19

6:49

10:46

1:07:01

4:32

16:05

1:15

3:25

2:18:06

1:32:17

47:18

1:16

31:54

3:06

28:50

1:16

1:16

4:08

کوتاه

19:31

23:22

2:24

1:00:10

28:10

34:34

23:19

39:02

2:54

32:12

2:03